Use of hard-coded credentials in SonicWall On-premise Email Security (ES) and SonicWall Hosted Email Security (HES) - CVE-2021-20025

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Main Vulnerability Database Vulnerabilities #VU53230

Use of hard-coded credentials in SonicWall On-premise Email Security (ES) and SonicWall Hosted Email Security (HES) - CVE-2021-20025

Published: May 13, 2021


Vulnerability identifier: #VU53230
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-20025
CWE-ID: CWE-798
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: SonicWall
Affected software:
SonicWall On-premise Email Security (ES)
SonicWall Hosted Email Security (HES)

Detailed vulnerability description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code, a default username and a password are used at initial setup. A remote unauthenticated attacker can access the Virtual Appliance using the default credentials only when the device is freshly installed and not connected to Mysonicwall.



How to mitigate CVE-2021-20025

Install updates from vendor's website.

Sources